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Finding the Fourth Proportional to 356,125.77, 534,450.02 and 286,841.61

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Solution

The fourth proportional to 356,125.77, 534,450.02 and 286,841.61 is: 430,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,125.77 : 534,450.02 = 286,841.61 : x
  2. Step 2: Convert to fraction form
    356,125.77/534,450.02 = 286,841.61/x
  3. Step 3: Cross multiply
    356,125.77x = 534,450.02 × 286,841.61
  4. Step 4: Simplify right side
    356,125.77x = 153,302,502,767.12
  5. Step 5: Solve for x
    x = 153,302,502,767.12/356,125.77
  6. Step 6: Final answer
    x = 430,472.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.